Wagon-jack



(No Model.)

A. JQ BURKE.

WAGON JACK.

INVENTOR 2 ATTORNEYS.

Y4 PLTERS. PbotmLihogmyM. Wn

Uivirnn STATES PATENT OFFICE.

ANDRET J. BURKE, OF ELM GROVE, ILLINOIS.

WAGON-JACK.

.SPECIFICATION forming part of Letters Patent No. 288,772, dated November 20, 1883.

Application filed September 12, 1883. (No model.)

`To ali whom it may concern:

Be it known that I, ANDREW J. BURKE, of Elm Grove, in the county .of Adams and State of Illinois, have invented a new and Improved Wagon-Jack, of which the following is a full, clear, and exact description.

The object of my invention is to provide a new and improved jack for raising a wagonaxle, which jack is provided with means for locking it in place when the axle is raised to any desired height, from one to six inches.

The invention consists in a wagon-jack constructed with a lever for raising the axle, to which lever another lever is pivoted and pressed from the same by a spring, a pin with a head passing from 'the axle-raising lever through the lever pressed upward by the spring. Two levers are pivoted to the standard, and are united at their free ends by a p intle passing above the axleraising lever and its spring-lever, the cross-pintle being adapted to catch on the headed pin and hold one end of the axle-raising lever in the lowered position.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in all the iigures. s

Figure l is a longitudinal elevation of my improved wagonjack, parts being broken out and others shown in section. Fig. 2 is aplan view of the same. Fig. 8 is a side of part of a modification.

The lever A is pivoted, by means of a pintle, a., to standards B, secured to a base, C, the said standards being provided with a series of apertures, I), for the pintle a, to permit adjusting the lever A higher or lower. That end of the lever which supports the axle D is slightly recessed or hollowed out. A lever, E, is pivoted on the lever A at the pivoted end, and is pressed upward by a spiral spring, F, surrounding a pin, G, projecting upward from the free end of the lever A, and

Vpassing through an aperture in the free end of the lever E, which pin G has a head, H, above the lever E. Guide pins K project from the lever A through apertures in the lever E.

In place of the spring F surrounding the pin G, springs L can be fastened to the side edges of the levers E and G.

Two levers, M, pivoted by a pintle, g, to the sides of the standards B, are united at the free ends by a cross-pin, N, above the lever E. The standards B are provided with a series oi' apertures, d, to permit pivoting the levers M higher or lower, as may be necessary. A spring, O, has one end mounted on the pintle g, and the other end bears against the bottom edge of the lever A. f Between its ends the spring passes over a pint-le or bolt, l?, uniting the levers M.

The jack is used in the following manner; The recessed end of the lever A is placed under the axle D and the other end is pressed downward, whereby the axle will be raised. After the cross-pin N has passed the pin G the free end of the lever E is pressed toward the lever A. The spring O presses the free ends of the levers M in the direction of the arrow a. The lever E is pressed by its spring against the pintle N, and thus holds the same against the pin G and its head. The head H prevents the lever E from pressing the pintle N above the upper. end of the pin G. The levers M can thus hold one end of the lever A lowered and the other end and the axle on the same raised.

Having thus fully described my invention, I claim as new and desire to secure by Letters Patentl. In a wagonjaclr, the combination, with a standard, of a lever for raising the axle, pivoted on the same, and two levers pivoted to the standard and united at the free ends by a pintle passing over the lever for raisingthe axle, and over a lever pivoted on the lever for holding the axle, and pressed upward from the same by a spring, substantially as herein shown and described.

2. In a wagon-jack, the combination, with a standard, of a lever, A, pivotedto the same, the lever E, pivoted to thelever A, a springfor pressing the lever E from the lever A, the pin G, provided with ahead, H, and the levers M, pivot-ed to the standards and having the free ends united by a pintle, N, substantially as herein shown and described.

3. In a wagon-jack, the combination, with a standard, ofthe lever A, pivoted to the same, the lever E, pivoted to the lever A, a spring for pressing the free end ofthe lever E from the lever A, the pin G, having a head, H, the le- IOO Vers M, )ivoted to the standard, and having the free ends united by a pintle, N, and the spring O, substantially as herein shown and described.

4C. In 2t Wagon-jack, the combination, with zt standard, of the lever A, pivoted to the same, the lever E, pivoted to the lever A, a, spring for pressing the lever E from the lever A7 the guide-pins K, the pin G, having a head, H,

the levers M, pivoted to the standard, and 1o having the free end united by a, pin, N, and the spring O, substantially as herein shown and described.

A. JLBURKE. Witnesses:

GEO. W. BURKE,

L. J. BURKE. 

